This solution applies to the Barracuda SSL VPN, all firmware versions.
During testing, Barracuda Networks technicians have found the following common causes of slow Mapped Drive performance:
You are using Windows 7: When using Windows 7, we utilize a
different method of providing the mapped drives. Unfortunately this is
slower than the previous implementation for XP clients. It is possible
to speed this up by turning off the Anti Virus support of the SSL VPN for
- You can do this by logging on as ssladmin and navigating to Basic > Virus Checking and setting Enable Virus Scanning to No.
- The only solution here is to
add an exception for these drives in the local scanner so that it does
not check these drives.